34 32 980 Replacing Rear Left Or Right Brake Hose

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Read and comply with GENERAL INFORMATION .
After completing repair work: BLEED BRAKING SYSTEM

Press brake pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Pressing Brake Pedal Down To Floor

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.

Disconnect brake hose from brake line (1).

Installation note:

Tightening torque 34 32 1AZ .

Fig 2: Brake Line With Square Head

Courtesy of BMW OF NORTH AMERICA, INC.

Detach brake hose (1) from brake caliper.

Installation note:

First tighten brake hose on brake caliper.

Tightening torque 34 32 3AZ .

IMPORTANT: Never twist brake hose when installing it and avoid all contact with components attached rigidly to the body.

Fig 3: Brake Caliper Brake Hose

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Read and comply with GENERAL INFORMATION .
After completing repair work: BLEED BRAKING SYSTEM

Press brake pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Pressing Brake Pedal Down To Floor

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.

Disconnect brake hose from brake line (1).

Installation note:

Tightening torque 34 32 1AZ .

Fig 2: Brake Line With Square Head

Courtesy of BMW OF NORTH AMERICA, INC.

Release banjo bolt (1) on brake caliper.

Release holder (2) if necessary.

Installation note:

Replace gaskets.

Tightening torque 34 32 3AZ .

IMPORTANT: Never twist brake hose when installing it and avoid all contact with components attached rigidly to the body.

Fig 3: Banjo Bolt On Brake Caliper

Courtesy of BMW OF NORTH AMERICA, INC.